Subtract 7/72 from 9/36
9/36 - 7/72 is 11/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
9/36 = 9 × 2/36 × 2 = 18/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Subtract the two like fractions:
18/72 - 7/72 = 18 - 7/72 = 11/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-7/72 9/36-14/72 9/72-7/72 27/36-7/72 9/36-21/72 45/36-7/72 9/36-35/72 63/36-7/72 9/36-49/72